Lap desk



FIG. 1 is a front right perspective view of a lap desk;

FIG. 2 is a rear left perspective view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a right elevation view thereof;

FIG. 7 is a top plan view of a lap desk in an unfolded position;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of a lap desk in a partially folded position; and,

FIG. 10 is a top plan view of a lap desk in a fully folded position, the bottom plan view being a mirror image thereof.

All broken line portions of the figure drawings are included to show portions of the article that forms no part of the claimed design. 

CLAIM The ornamental design for a lap desk, as shown and described. 